EP1128641A2 - Verriegelungsverfahren für ein Mobilendgerät - Google Patents

Verriegelungsverfahren für ein Mobilendgerät Download PDF

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Publication number
EP1128641A2
EP1128641A2 EP01104295A EP01104295A EP1128641A2 EP 1128641 A2 EP1128641 A2 EP 1128641A2 EP 01104295 A EP01104295 A EP 01104295A EP 01104295 A EP01104295 A EP 01104295A EP 1128641 A2 EP1128641 A2 EP 1128641A2
Authority
EP
European Patent Office
Prior art keywords
mobile terminal
input
lock code
phone number
service provider
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01104295A
Other languages
English (en)
French (fr)
Other versions
EP1128641B1 (de
EP1128641A3 (de
Inventor
Bok-You Ko
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP1128641A2 publication Critical patent/EP1128641A2/de
Publication of EP1128641A3 publication Critical patent/EP1128641A3/de
Application granted granted Critical
Publication of EP1128641B1 publication Critical patent/EP1128641B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
    • H04M1/673—Preventing unauthorised calls from a telephone set by electronic means the user being required to key in a code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones

Definitions

  • the present invention relates generally to a mobile terminal such as a mobile phone, and in particular, to a locking method in a mobile terminal.
  • a mobile terminal has a locking function to prevent fraudulent use by the others and to prevent the drain of personal information stored therein. Since the mobile terminal is generally used for individual use, the manufacturer must provide a safe locking function to guarantee the user's privacy. However, the user may frequently forget a lock code (or password), since he or she has so many lock codes to memorize such as a password of a bank account and a password of an Internet site. In this case, the user should inquire of the service provider about the lock code. However, most users tend to forget information (e.g., phone number and location) about the service provider as time goes by.
  • information e.g., phone number and location
  • a European mobile terminal includes a SIM (Subscriber Identification Module) card, which is detachable from its main body, and cannot perform communication when SIM crash occurs due to an erroneous input of the lock code.
  • SIM Subscriber Identification Module
  • the lock code system of the European mobile terminal is comprised of a phone lock code, a first lock code (or PIN lock code) and a second lock code (or PUK lock code).
  • the object of the present invention to provide a method for displaying a current status of a mobile terminal and a phone number of the service provider and enabling a call only to the service provider, when an incorrect lock code is input predetermined times in the mobile terminal with a locking function.
  • a locking method in a mobile terminal it is determined whether an input lock code is correct.
  • the mobile terminal displays a phone number of a service provider.
  • the mobile terminal allows a normal outgoing call only to the phone number of the service provider.
  • the mobile terminal displays a present status of the mobile terminal, indicating occurrence of an input error of a lock code, when the input lock code is incorrect.
  • FIG. 1 shows a block diagram of a mobile terminal to which the present invention is applicable.
  • a controller 110 controls the overall operation of the mobile terminal, including a call processing function.
  • a memory 140 is comprised of a ROM (Read Only Memory) for storing an operating program, an EEPROM (Electrically Erasable and Programmable ROM), a RAM (Random Access Memory) and a flash memory.
  • the memory 140 stores a program for displaying, when an incorrect lock code is input, a phone number of a service provider on a display of the mobile terminal and allowing a call only to the service provider according to an embodiment of the present invention.
  • the memory 140 stores the lock codes and the current status information of the mobile terminal due to an input error of the lock codes.
  • a display 120 is comprised of an LCD (Liquid Crystal Display) and displays the status of the mobile terminal and the progress of the operating program under the control of the controller 110.
  • the display 120 according to an embodiment of the present invention displays, when there occurs an input error of the lock code, the phone number of the service provider and the present status of the mobile terminal.
  • a key input unit 130 includes a plurality of alphanumeric keys and function keys, and generates key input data according to key manipulation by the user. The key input data is provided to the controller 110.
  • An RF (Radio Frequency) module 150 up-converts a signal provided from an analog baseband circuit 160 and transmits the up-converted signal to a base station (now shown) through an antenna 180, under the control of the controller 110.
  • RF Radio Frequency
  • the RF module 150 down-converts a radio signal received through the antenna 180 and provides the down-converted signal to the analog baseband circuit 160.
  • the analog baseband circuit 160 converts the signal provided from the RF module 150 into a baseband digital signal and provides the converted signal to the controller 110. Further, the analog baseband circuit 160 processes a signal output from the controller 110 and provides the processed signal to the RF module 150.
  • a signal processor 170 converts and compresses an audio signal received through a microphone. Further, the audio processor 170 restores a received compressed audio signal to its original audio signal and outputs the restored audio signal through a speaker as an audible signal.
  • controller 110 performs the following operations.
  • the controller 110 performs a general call control process between the base station and the mobile terminal. Further, the controller 110 sets or releases the locking function in response to menu selection by the user. In addition, the controller 110 recognizes a lock code input by the user through the key input unit 130 and determines whether the input lock code is identical to a predetermined lock code. When there occurs an input error of the lock code, the controller 110 displays on the display 120 the phone number of the service provider, stored in the memory 140, and the present status of the mobile terminal. At this moment, the mobile terminal is maintained in a locked state. In the locked state, the mobile terminal allows an origination (or outgoing) call only to the phone number of the service provider.
  • FIG. 2 shows another mobile terminal to which the present invention is applicable.
  • the mobile terminal of FIG. 2 has the same structure as the mobile terminal of FIG. 1 except for an auxiliary memory 290.
  • the auxiliary memory 290 is a SIM card detachable from the main body of the mobile terminal.
  • the auxiliary memory 290 stores the user's unique information such as a phone number, a first lock code and a second lock code.
  • a controller 210 requests the user to input a lock code of the main body, stored in a memory 240, and the first and second lock codes stored in the auxiliary memory 290, while maintaining the locked state.
  • the controller 210 releases the lock function.
  • the "preset condition” refers to a condition in which the input lock codes are identical to at least one of the first and second lock codes stored in the auxiliary memory 290 and the lock code of the main body.
  • the controller 210 stores the corresponding information in the auxiliary memory 290 and disables every operation until the auxiliary memory 290 is normally updated.
  • the controller 210 displays on the display 220 the phone number of the service provider, stored in the memory 240, and the present status of the mobile terminal, while maintaining the locked state. In this state, the mobile terminal allows an origination call only to the phone number of the service provider.
  • FIG. 3 shows a procedure for displaying, when an incorrect lock code is input, a phone number of the service provider on a display of the mobile terminal according to an embodiment of the present invention.
  • FIGs. 1 and 3 a detailed description will be made of a preferred embodiment of the present invention.
  • the controller 110 sets, in step 320, the locking function and determines whether a lock code error has occurred by comparing a lock code input by the user through the key input unit 130 with a predetermined lock code stored in the memory 140. If the input lock code is correct, the controller 110 releases the locking function in step 330.
  • the controller 110 displays the present status of the mobile terminal and the phone number of the service provider on the display 120, in step 340. At this moment, the locked state is maintained.
  • the "present status" refers to a lock code error-occurred status.
  • the controller 110 determines in step 350 whether a series of keys are input by the user through the key input unit 130 and whether the input keys are identical to the phone number of the service provider, displayed on the display 120. If the input keys are identical to the phone number of the service provider, the controller 110 allows a call only to the phone number of the service provider in step 360. That is, even in the locked state, the mobile terminal can make a normal outgoing call to the phone number of the service provider.
  • FIG. 4 shows a procedure for displaying, when an incorrect lock code is input, a phone number of the service provider on a display of the mobile terminal according to another embodiment of the present invention.
  • the controller 210 determines in step 420 whether a lock code input by the user through the key input unit 230 within a preset condition is incorrect.
  • the "preset condition” refers to a condition in which a correct lock code should be input within a predetermined number of attempts.
  • the "present condition” refers to a condition in which the input lock codes are identical to both the first and second lock codes stored in the auxiliary memory 290 and the lock code of the main body, stored in the memory 240. If the input lock code is correct, the controller 210 releases the locking function in step 430.
  • the controller 210 displays the present status of the mobile terminal and the phone number of the service provider on the display 220, in step 440. At this moment, the locked state is maintained.
  • the "present status" refers to a lock code error-occurred status.
  • the controller 210 determines in step 450 whether a series of keys are input by the user through the key input unit 230 and whether the input keys are identical to the phone number of the service provider, displayed on the display 220. If the input keys are identical to the phone number of the service provider, the controller 210 allows a call only to the phone number of the service provider in step 460. That is, even in the locked state, the mobile terminal can make a normal outgoing call to the phone number of the service provider.
  • step 450 the controller 210 returns to step 440 and performs its succeeding steps.
  • the mobile terminal of FIG. 4 does not provide a function of releasing the mobile terminal by itself when an input error occurs, so that the user should personally visit the service provider to update the auxiliary memory 290. Therefore, by displaying the present status of the mobile terminal and the phone number of the service provider on the display, it would be very convenient for the user to make an inquiry call to the service provider.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
EP01104295A 2000-02-22 2001-02-22 Verriegelungsverfahren für ein Mobilendgerät Expired - Lifetime EP1128641B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020000008421A KR20010082890A (ko) 2000-02-22 2000-02-22 이동 무선 단말기의 잠금 기능 방법
KR2000008421 2000-02-22

Publications (3)

Publication Number Publication Date
EP1128641A2 true EP1128641A2 (de) 2001-08-29
EP1128641A3 EP1128641A3 (de) 2003-09-10
EP1128641B1 EP1128641B1 (de) 2004-09-29

Family

ID=19648663

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01104295A Expired - Lifetime EP1128641B1 (de) 2000-02-22 2001-02-22 Verriegelungsverfahren für ein Mobilendgerät

Country Status (5)

Country Link
US (1) US6950647B2 (de)
EP (1) EP1128641B1 (de)
KR (1) KR20010082890A (de)
CN (1) CN1310567A (de)
DE (1) DE60105866T2 (de)

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EP1566045A4 (de) * 2002-11-12 2007-03-07 Motorola Inc Deaktivierung einer sp-sperre über funk
US7366497B2 (en) 2003-11-25 2008-04-29 Nec Corporation Mobile terminal, method of controlling the same, and computer program of the same
CN100397931C (zh) * 2004-09-24 2008-06-25 乐金电子(中国)研究开发中心有限公司 具有利用移动网的锁定解除功能的移动终端及其控制方法
WO2011080613A1 (en) 2009-12-28 2011-07-07 Nokia Corporation Method and apparatus for user interaction while device is locked
EP2503768B1 (de) * 2011-03-23 2018-04-11 BlackBerry Limited Auslösung eines konferenzanrufes von einer gesperrten vorrichtung
US10278030B2 (en) 2011-03-23 2019-04-30 Blackberry Limited Method for conference call prompting from a locked device

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EP1566045A4 (de) * 2002-11-12 2007-03-07 Motorola Inc Deaktivierung einer sp-sperre über funk
US7366497B2 (en) 2003-11-25 2008-04-29 Nec Corporation Mobile terminal, method of controlling the same, and computer program of the same
CN100397931C (zh) * 2004-09-24 2008-06-25 乐金电子(中国)研究开发中心有限公司 具有利用移动网的锁定解除功能的移动终端及其控制方法
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EP2520075A4 (de) * 2009-12-28 2017-03-29 Nokia Technologies Oy Verfahren und vorrichtung zur benutzerinteraktion über eine gesperrte vorrichtung
EP2503768B1 (de) * 2011-03-23 2018-04-11 BlackBerry Limited Auslösung eines konferenzanrufes von einer gesperrten vorrichtung
US10278030B2 (en) 2011-03-23 2019-04-30 Blackberry Limited Method for conference call prompting from a locked device

Also Published As

Publication number Publication date
EP1128641B1 (de) 2004-09-29
KR20010082890A (ko) 2001-08-31
CN1310567A (zh) 2001-08-29
EP1128641A3 (de) 2003-09-10
DE60105866D1 (de) 2004-11-04
US20010016486A1 (en) 2001-08-23
DE60105866T2 (de) 2005-02-03
US6950647B2 (en) 2005-09-27

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